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arousal

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·October 13, 2025·6 min read

EEG Test May Reveal Who Loses Libido on Antidepressants

A new study reveals that serotonin levels in the brain, measured using a simple EEG-based test, can predict who will experience sexual side effects from SSRI antidepressants. Researchers found that people with higher serotonin activity before treatment were significantly more likely to have difficulty reaching orgasm during antidepressant use.

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Featured Neuroscience

·September 23, 2025·9 min read

Spinal Cord Found to Shape Arousal and Sex

A new study overturns the traditional view that the brain solely directs male sexual behavior while the spinal cord executes ejaculation. Researchers identified Galanin-expressing spinal neurons that both drive ejaculation and regulate arousal, integrating sensory input, brain feedback, and internal states.

Featured Neuroscience Psychology

·October 24, 2024·15 min read

Brain Signals Reveal How Aggression and Arousal Are Encoded

New research has uncovered that brain signals for aggression in male mice and sexual arousal in female mice are encoded by similar neural mechanisms. The studies found that a specific type of neural signal, called a line attractor, represents the intensity and persistence of these emotional states.

Featured Neuroscience Open Neuroscience Articles Psychology

·March 3, 2020·2 min read

Men can smell when a woman is sexually aroused

Men evaluated the scent of sexually aroused women as more attractive and expressed an increase in their sexual motivations. Findings suggest the chemical signal of scent alone can elicit a sexual response in men.

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Featured Neuroscience Psychology

·November 29, 2019·3 min read

Why people say things they later regret

You are more likely to disclose personal information you would rather keep concealed when you are most awake and alert.

Featured Neuroscience

·January 14, 2019·5 min read

The Circuits That Help You Keep Your Cool

Researchers reveal how connections from around the mammalian brain stimulate two key cell types in the locus coeruleus to moderate arousal in two different ways.

Featured Neurology Neuroscience

·November 29, 2018·5 min read

Rewriting the Brain Pathway for Consciousness

Researchers say a new discovery about the pathways associated with consciousness contradicts conventional belief. The study reports the thalamus is not a critical part of the brain's pathway involved in wakefulness and consciousness, a finding that could help develop better methods for treating comas.